Home / 14,271.56-21,398.22-6,861.27

Finding the Fourth Proportional to 14,271.56, 21,398.22 and 6,861.27

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Solution

The fourth proportional to 14,271.56, 21,398.22 and 6,861.27 is: 10,287.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.56 : 21,398.22 = 6,861.27 : x
  2. Step 2: Convert to fraction form
    14,271.56/21,398.22 = 6,861.27/x
  3. Step 3: Cross multiply
    14,271.56x = 21,398.22 × 6,861.27
  4. Step 4: Simplify right side
    14,271.56x = 146,818,964.94
  5. Step 5: Solve for x
    x = 146,818,964.94/14,271.56
  6. Step 6: Final answer
    x = 10,287.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.